high-powered vs high-octane

high-powered and high-octane both are adjectives.

Word	Noun	Adjective	Verb	Adverb
high-powered	No	Yes	No	No
high-octane	No	Yes	No	No

As adjectives, high-powered and high-octane are synonyms defined as:

Other synonyms of high-powered include high-energy, high-power, high-voltage.

high-powered (adjective)	high-octane (adjective)
vigorously energetic or forceful	vigorously energetic or forceful
(used of microscopes) capable of a high degree of magnification	used of gasoline; having a high octane number